Espacios de nombres
Variantes
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std::feupdatedenv

De cppreference.com
< cpp‎ | numeric‎ | fenv

 
 
Numéricos biblioteca
Funciones matemáticas comunes
Floating-point medio ambiente
Los números complejos
Matrices numéricas
Pseudo-aleatoria de generación de números
En tiempo de compilación aritmética racional (C++11)
Genéricos operaciones numéricas
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Floating-point medio ambiente
Funciones
Original:
Functions
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feclearexcept(C++11)
fetestexcept(C++11)
feraiseexcept(C++11)
fegetexceptflag
fesetexceptflag
(C++11)
(C++11)
fegetround
fesetround
(C++11)
(C++11)
fegetenv
fesetenv
(C++11)
feholdexcept(C++11)
feupdateenv(C++11)
Constantes Macro
Original:
Macro constants
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FE_ALL_EXCEPT
FE_DIVBYZERO
FE_INEXACT
FE_INVALID
FE_OVERFLOW
FE_UNDERFLOW
(C++11)
FE_DOWNWARD
FE_TONEAREST
FE_TOWARDZERO
FE_UPWARD
(C++11)
FE_DFL_ENV(C++11)
 
Defined in header <cfenv>
int feupdateenv( const std::fenv_t* envp )
(desde C++11)
En primer lugar, recuerda las actualmente planteadas excepciones de punto flotante, y luego restaura el entorno de coma flotante del objeto apuntado por envp (similar a std::fesetenv), luego levanta las excepciones de punto flotante que se guardaron .
Original:
First, remembers the currently raised floating-point exceptions, then restores the floating-point environment from the object pointed to by envp (similar to std::fesetenv), then raises the floating-point exceptions that were saved.
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Esta función se puede utilizar para finalizar el modo non-stop establecido por una llamada anterior a std::feholdexcept .
Original:
This function may be used to end the non-stop mode established by an earlier call to std::feholdexcept.
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[editar] Parámetros

envp -
puntero al objeto de tipo std::fenv_t establecido por una llamada anterior a std::feholdexcept o std::fegetenv o igual a FE_DFL_ENV
Original:
pointer to the object of type std::fenv_t set by an earlier call to std::feholdexcept or std::fegetenv or equal to FE_DFL_ENV
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[editar] Valor de retorno

0 en caso de éxito, no cero en caso contrario .
Original:
0 on success, non-zero otherwise.
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[editar] Ver también

protege el medio ambiente, se borran todos los indicadores de estado y hace caso omiso de todos los errores en el futuro
Original:
saves the environment, clears all status flags and ignores all future errors
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(función) [edit]
guarda o restaura el entorno actual de punto flotante
Original:
saves or restores the current floating point environment
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(función) [edit]
defecto de punto flotante de medio ambiente
Original:
default floating-point environment
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(macro constante) [edit]